Solve the problem.Susan has been working on a job that will require 45 hours to complete. If she has completed 
of the job, how many hours has she worked?
A. 40 hours
B. 20 hours
C. 5 hours
D. 4
hours
Answer: A
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Subtract.(-8) - (+2)
A. 10 B. 6 C. -6 D. -10
Solve the problem.There are 3 cards in a hat; one is a king, one is a queen, and one is an ace. Two cards are to be selected at random with replacement. Using a tree diagram , obtain the sample space for the experiment. Then, find the probability that you choose the same card twice.
A. 
B. 
C. 
D. 
Find the required part of the geometric sequence.Find a formula for the nth term of a geometric sequence with second term - 
and fifth term 
.
A. an = 
- 
(n - 1)
B. an = 
- 
(n - 1)
C. an = 
n - 1- 
D. an = 
n - 1
Find the standard form of the equation of the ellipse with the given characteristics.
?
Center: 
; a = 3b; Foci: 
, where a - thr semimajor axis, b - semiminor axis.
?
A. 
B. 
C. 
D. 
E. 